Company Filing History:

22 out of 12,157

Bayer Aktiengesellschaft

Years Active: 1977-2000

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24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6156848 - Pre-formed super absorbers with high swelling capacity (2000-12-05),

2. 5728774 - Process for the continuous production of superabsorbent polymers from (1998-03-17),

3. 5635569 - Superabsorbent polymers from cross-linked polyacrylonitrile emulsions (1997-06-03),

4. 5487964 - Powder mixtures for metallization of substrate surfaces (1996-01-30),

5. 5472741 - Softening and waterproofing retanning agents (1995-12-05),

6. 5356985 - Highly-concentrated aqueous polyacrylonitrile emulsions and a method for (1994-10-18),

7. 5288787 - Emulsion polymers (1994-02-22),

8. 5258466 - Paper size (1993-11-02),

9. 5030697 - Polymer-bound dyes, process for their production and use (1991-07-09),

10. 5013794 - Polymers of diisobutylene-sulfonate alkane maleic acid derivatives (1991-05-07),

11. 4931510 - Polymers from ethylenic monomers (1990-06-05),

12. 4771097 - Tub sizes for paper (1988-09-13),

13. 4670516 - Copolymers based on maleic anhydride and .alpha., .beta.-unsaturated (1987-06-02),

14. 4614759 - Surface sizing agents for paper (1986-09-30),

15. 4613337 - Process for dyeing cellulose-containing fibre materials by the cold (1986-09-23),

Title: Gunter Sackmann: Innovator in Superabsorbent Polymer Technology

Introduction

Gunter Sackmann is a prominent inventor based in Leverkusen, Germany, known for his significant contributions to the field of superabsorbent polymers. With a portfolio of 24 patents, he has played a critical role in the development of materials utilized in various industries, including agriculture and hygiene products.

Latest Patents

Sackmann's latest innovations include a patented method for producing pre-formed super absorbers that exhibit high swelling capacity. This invention focuses on creating super-absorbent polymers in the form of pre-formed spherical particles through the alkaline hydrolysis of aqueous emulsions of crosslinked and/or un-crosslinked homopolymers and/or copolymers of acrylonitrile. The vast applications of this polymer extend to hygiene products, agriculture as a water-storing material, and sheathing for electrical cables. Additionally, he has patented a process for the continuous production of superabsorbent polymers, involving the hydrolysis of aqueous emulsions of both uncross-linked and cross-linked polyacrylonitrile at elevated temperatures, offering a continuous method of producing superabsorbent powders for sanitary articles and agricultural uses.

Career Highlights

Throughout his career, Gunter Sackmann has worked with distinguished companies such as Bayer AG and Agfa-Gevaert AG. His experiences at these leading firms have enriched his expertise and contributed to his innovative approach in polymer technology.

Collaborations

Sackmann has collaborated with notable coworkers, including Heinz Baumgen and Gunter Kolb. Together, they have advanced the science of superabsorbent materials, further enhancing their applications and effectiveness in various sectors.

Conclusion

Gunter Sackmann's inventive work in superabsorbent polymers exemplifies his dedication to solving real-world challenges through innovative materials. His substantial patent portfolio not only reflects his ingenuity but also underscores the vital role he plays in the ongoing evolution of polymer technology.

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